ISRC DEF059304764
Verified recording
DEF059304764 is “Serenade In F Major, Op. 31: 4. Notturno: Andante sostenuto” by Wilhelm Stenhammar,
registered on the CopyrightChains blockchain with CopyrightID
0x4bb8f719f320c6b201f4396cb610e1200f40b4840b73aeab29d96de6712a8a90 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304764.
Recording identifiers
- ISRC
- DEF059304764
- Title
- Serenade In F Major, Op. 31: 4. Notturno: Andante sostenuto
- Artist
- Wilhelm Stenhammar
- CopyrightID (CopyrightChains transaction hash)
0x4bb8f719f320c6b201f4396cb610e1200f40b4840b73aeab29d96de6712a8a90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6c59a6fea8bbc7f83a77e855315208ff613000477dbbd1b152c62142d49fad14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059304764
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Serenade In F Major, Op. 31: 4. Notturno: Andante sostenuto · Machine-readable JSON-LD